i.e. As long as this visible world lasts, whilst the heaven keeps its place and continues its influences upon earth, until all these things be dissolved. Compare Psalms 72:5, Psalms 81:15 89:29 Jeremiah 33:25.
Related Commentaries of Deuteronomy 11:21
Deuteronomy 11:21
21 That your days may be multiplied, and the days of your children, in the land which the LORD sware unto your fathers to give them, as the days of heaven upon the earth.